{"id":32206,"date":"2026-04-15T13:12:28","date_gmt":"2026-04-15T05:12:28","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&p=32206"},"modified":"2026-07-26T13:30:47","modified_gmt":"2026-07-26T05:30:47","slug":"usb-485-4","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/usb-485-4\/","title":{"rendered":"USB-485\/4"},"content":{"rendered":"

NI USB-485\/4 USB RS-485 RS-422 Interface Device<\/h3>\n

\n\u0417\u0435\u043c\u043b\u044f NI USB-485\/4<\/strong> is a multi-port USB serial communication interface designed for RS-485 and RS-422 industrial communication applications. Developed by National Instruments, the USB-485\/4 provides reliable serial connectivity between computers and industrial devices, instruments, controllers, and embedded systems.\n<\/p>\n

\nWith four independent serial ports, robust industrial communication capability, and USB plug-and-play connectivity, the USB-485\/4 provides a flexible solution for engineers developing automation systems, instrumentation applications, and communication test platforms.\n<\/p>\n

\nSupporting NI-VISA, LabVIEW integration, and standard serial communication protocols, the USB-485\/4 enables efficient control and monitoring of RS-485 and RS-422 devices in laboratory and industrial environments.\n<\/p>\n

Key Features of NI USB-485\/4<\/h3>\n

Four-Port RS-485\/RS-422 Communication<\/h4>\n

\nThe USB-485\/4 provides four independent serial communication ports for connecting multiple industrial devices.\n<\/p>\n

    \n
  • Four RS-485\/RS-422 ports<\/li>\n
  • Multi-device communication<\/li>\n
  • Industrial serial networking<\/li>\n
  • Flexible system integration<\/li>\n<\/ul>\n

    Industrial Serial Communication Support<\/h4>\n

    \nThe USB-485\/4 is designed for reliable communication in industrial environments.\n<\/p>\n

      \n
    • RS-485 communication<\/li>\n
    • RS-422 communication<\/li>\n
    • Long-distance serial communication<\/li>\n
    • Noise-resistant industrial interfaces<\/li>\n<\/ul>\n

      USB Plug-and-Play Connectivity<\/h4>\n

      \nThe USB interface provides simple connection between host computers and serial devices.\n<\/p>\n

        \n
      • USB connectivity<\/li>\n
      • Easy installation<\/li>\n
      • Portable communication solution<\/li>\n
      • Flexible deployment<\/li>\n<\/ul>\n

        NI Software Integration<\/h4>\n

        \nThe USB-485\/4 integrates with NI software tools for instrument control and automation development.\n<\/p>\n

          \n
        • NI-VISA support<\/li>\n
        • LabVIEW support<\/li>\n
        • Serial communication programming<\/li>\n
        • Automated test integration<\/li>\n<\/ul>\n

          Applications of NI USB-485\/4<\/h3>\n

          \u041f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0430\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u044f<\/h4>\n

          \nThe USB-485\/4 provides reliable serial communication for industrial automation systems.\n<\/p>\n

            \n
          • PLC communication<\/li>\n
          • Industrial controllers<\/li>\n
          • \u0410\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430<\/li>\n
          • Machine communication<\/li>\n<\/ul>\n

            Instrument Control<\/h4>\n

            \nThe USB-485\/4 enables computer-based control of RS-485 and RS-422 instruments.\n<\/p>\n

              \n
            • Laboratory instruments<\/li>\n
            • Measurement equipment<\/li>\n
            • Remote device control<\/li>\n
            • Automated instrument systems<\/li>\n<\/ul>\n

              Embedded System Testing<\/h4>\n

              \nThe USB-485\/4 is suitable for testing and validating embedded communication systems.\n<\/p>\n

                \n
              • Embedded device testing<\/li>\n
              • Communication verification<\/li>\n
              • Protocol testing<\/li>\n
              • System integration<\/li>\n<\/ul>\n

                Distributed Communication Networks<\/h4>\n

                \nThe USB-485\/4 supports distributed systems requiring reliable serial communication.\n<\/p>\n

                  \n
                • Remote monitoring<\/li>\n
                • Sensor networks<\/li>\n
                • Control networks<\/li>\n
                • Industrial data exchange<\/li>\n<\/ul>\n

                  \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f<\/h3>\n

                  \nThe NI USB-485\/4 supports National Instruments software platforms for serial communication and automation applications.\n<\/p>\n

                    \n
                  • \u041b\u0430\u0431\u0412\u044c\u044e<\/li>\n
                  • NI-VISA<\/li>\n
                  • Measurement Studio<\/li>\n
                  • Serial communication APIs<\/li>\n<\/ul>\n

                    Technical Specifications of USB-485\/4<\/h3>\n\n\n\n\n\n\n\n\n
                    \u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\n\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/th>\n<\/tr>\n
                    Product Type<\/td>\nUSB Serial Interface Device<\/td>\n<\/tr>\n
                    Communication<\/td>\nRS-485 \/ RS-422<\/td>\n<\/tr>\n
                    Number of Ports<\/td>\n4 Serial Ports<\/td>\n<\/tr>\n
                    Interface<\/td>\nUSB<\/td>\n<\/tr>\n
                    Software<\/td>\nNI-VISA, LabVIEW<\/td>\n<\/tr>\n
                    Applications<\/td>\nIndustrial communication, automation, instrument control<\/td>\n<\/tr>\n<\/table>\n

                    Comparison with Similar USB Serial Interface Devices<\/h3>\n\n\n\n\n\n\n
                    \u041c\u043e\u0434\u0435\u043b\u044c<\/th>\n\u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u0440\u0430\u0437\u043b\u0438\u0447\u0438\u0435<\/th>\nBest Application<\/th>\n<\/tr>\n
                    \n
                    \nNI USB-485\/4<\/strong>
                    \n<\/a>\n<\/td>\n                    		\nFour-port USB RS-485\/RS-422 interface designed for industrial serial communication.\n<\/td>\n\nMulti-device industrial communication\n<\/td>\n<\/tr>\n
                    \n
                    \nNI USB-485\/2<\/strong>
                    \n<\/a>\n<\/td>\n                    		\nTwo-port USB RS-485\/RS-422 interface for smaller communication systems.\n<\/td>\n\nBasic serial applications\n<\/td>\n<\/tr>\n
                    \n
                    \nNI USB-232\/4<\/strong>
                    \n<\/a>\n<\/td>\n                    		\nFour-port USB RS-232 serial interface for standard serial devices.\n<\/td>\n\nRS-232 instrument communication\n<\/td>\n<\/tr>\n
                    \n
                    \nNI PXI-8431\/4<\/strong>
                    \n<\/a>\n<\/td>\n                    		\nPXI serial interface module for modular automated test systems.\n<\/td>\n\nPXI-based communication systems\n<\/td>\n<\/tr>\n<\/table>\n

                    Recommended Related Products<\/h3>\n

                    \nThe following products are commonly used with the USB-485\/4 to build complete industrial communication and automated control systems.\n<\/p>\n\n\n\n\n\n\n
                    \n
                    \nNI USB-485\/2<\/strong>
                    \n<\/a>\n<\/td>\n                    		\nCompact USB RS-485\/RS-422 interface for serial communication applications.\n<\/td>\n<\/tr>\n
                    \n
                    \nNI USB-232\/4<\/strong>
                    \n<\/a>\n<\/td>\n                    		\nFour-port USB RS-232 interface for instrument and device communication.\n<\/td>\n<\/tr>\n
                    \n
                    \nNI PXI-8431\/4<\/strong>
                    \n<\/a>\n<\/td>\n                    		\nPXI serial communication module for modular industrial and test systems.\n<\/td>\n<\/tr>\n
                    \n
                    \nNI PXI-8432\/8<\/strong>
                    \n<\/a>\n<\/td>\n                    		\nMulti-channel PXI RS-485 interface module for advanced communication systems.\n<\/td>\n<\/tr>\n
                    \n
                    \nNI cRIO-9037<\/strong>
                    \n<\/a>\n<\/td>\n                    		\nCompactRIO controller for industrial real-time control and automation applications.\n<\/td>\n<\/tr>\n<\/table>\n

                    Why Choose NI USB-485\/4<\/h3>\n
                      \n
                    • Four-port RS-485\/RS-422 communication capability<\/li>\n
                    • Reliable industrial serial communication<\/li>\n
                    • USB plug-and-play deployment<\/li>\n
                    • Supports NI-VISA and LabVIEW<\/li>\n
                    • Ideal for automation and instrument control<\/li>\n
                    • Suitable for industrial and embedded systems<\/li>\n<\/ul>\n

                      \u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/h3>\n

                      \n\u0417\u0435\u043c\u043b\u044f NI USB-485\/4 USB RS-485\/RS-422 Interface Device<\/strong> provides a reliable and flexible solution for engineers requiring multi-port industrial serial communication.\n<\/p>\n

                      \nWith four communication ports, USB connectivity, NI software support, and industrial-grade communication capability, the USB-485\/4 is an excellent choice for automation systems, instrument control, PLC communication, and embedded testing applications.<\/p>","protected":false},"excerpt":{"rendered":"

                      \u0428\u0438\u043d\u0430: USB 2.0
                      \n\u0422\u0438\u043f \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438: \u041d\u0435\u0442
                      \nNumber of Serial Channels: 4
                      \n\u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0435 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u044b: RS422, RS485<\/p>","protected":false},"featured_media":31882,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[760],"product_tag":[],"class_list":["post-32206","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-industrial-communication-interfaces","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"\nNI USB-485\/4 RS485\/RS422 Serial Interface Device 778476-74 - New & Original<\/title>\n<meta name=\"description\" content=\"NI USB-485\/4 USB serial interface provides four RS-485\/RS-422 communication ports for industrial automation, instrument control, PLC communication, and testing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pxisource.com\/ru\/product\/usb-485-4\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"USB-485\/4\" \/>\n<meta property=\"og:description\" content=\"NI USB-485\/4 USB serial interface provides four RS-485\/RS-422 communication ports for industrial automation, instrument control, PLC communication, and testing.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pxisource.com\/ru\/product\/usb-485-4\/\" \/>\n<meta property=\"og:site_name\" content=\"PXI Source\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61582573040385\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-26T05:30:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pxisource.com\/wp-content\/uploads\/2026\/04\/USB-485-4.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0426\u0435\u043d\u0430\" \/>\n\t<meta name=\"twitter:data1\" content=\"$1,165.00\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u044c\" \/>\n\t<meta name=\"twitter:data2\" content=\"\u0412 \u043d\u0430\u043b\u0438\u0447\u0438\u0438\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/pxisource.com\\\/product\\\/usb-485-4\\\/\",\"url\":\"https:\\\/\\\/pxisource.com\\\/product\\\/usb-485-4\\\/\",\"name\":\"NI USB-485\\\/4 RS485\\\/RS422 Serial Interface Device 778476-74 - 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